The Mrdalsjkull Glacier in Iceland. The icecap of the glacier sits atop the active Katla Volcano, with vivid layers of black volcanic ash and lava bolders interspersed with glacial blue, topped with

The Mrdalsjkull Glacier in Iceland. The icecap of the glacier sits atop the active Katla Volcano, with vivid layers of black volcanic ash and lava bolders interspersed with glacial blue, topped with a dusting of snow. Japanese woodblock tsunami.